Topic - ICSC Chemistry Class 6 (Elements, Compounds and Mixtures)
In these Worksheets for Science you will find questions related to the topic ICSC Chemistry Class 6 (Elements, Compounds and Mixtures)
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| Worksheets for Science (ICSC Chemistry Class 6 Elements, Compounds and Mixtures) |
Multiple Choice Questions
1.An element consist of _____________ type of atoms.
(a) different (b) same (c) various
2.Elements are further classified into ______________ categories.
(a) three (b) four (c) two
3.It is a metal but not hard.
(a) sodium (b) chlorine (c) nitrogen
4.This metal is liquid at room temperature.
(a) copper (b) iron (c) mercury
5._______________ can be drawn into wires.
(a) metals (b) non-metals (c) metalloids
6.Bromine is a ______________ at room temperature.
(a) liquid (b) solid (c) gas
7.Metalloids possess the qualities of ___________________.
(a) metals (b) non-metals (c) both a and b
8.The symbol of Calcium is ______________.
(a) C (b) Ca (c) none
9.Diatomic molecules consist of than _____________ atoms.
(a) one (b) two (c) three
10.The vacancy of nitrogen is ________________.
(a) three (b) two (c) five
Answers - 1.same 2.four 3.sodium 4.mercury 5.metals 6.liquid 7.both a and b 8.Ca 9.two 10.three
Fill ups
1.Anything that has mass and occupies space is known as ______________.
2.Matter consists of living and ___________ things.
3.The smallest uncuttable part of an element is known as an _____________.
4.Elements are divided into metals, non-metals, _____________ and _______________.
5.Metals can be beaten into sheets as they are _____________.
6.Non-metals have ______________ melting and boiling points.
7.Helium and Argon are _____________ gases.
8.The criteria used to give symbols to the elements was suggested by the scientist named _______________.
9.The Latin name of sodium is _______________.
10.The number of atoms present in the molecule of a substance is known as its ________________.
Answers - 1.matter 2.non-living 3.atom 4.metalloids, inert gases 5.malleable 6.low 7.inert 8.Berzelius 9.Natrium 10.atomicity
Write True if the statement is correct and False if the statement is wrong.
1.Non-living things mainly consist of substances and materials.
2.An element is an impure substance.
3.Metals don't shine.
4.Metals have low melting and boiling points.
5.Non-metals are non-malleable and non-ductile.
6.Inert gases are found in traces.
7.Symbols of the elements were not derived from their latin names.
8.Polyatomic molecules consist of less than 3 atoms.
9.Molecules of compounds are formed by the combination of atoms of two or more elements.
10.Air is a heterogeneous mixture.
Answers - 1.True 2.False 3.False 4.False 5.True 6.True 7.False 8.False 9.True 10.False
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